Story from the Wall Street Journal. (H/T Andrew)
Excerpt:
Dr. Braun’s group found that at 21 days, the fatherless animals had less dense dendritic spines compared to animals raised by both parents, though they “caught up” by day 90. However, the length of some types of dendrites was significantly shorter in some parts of the brain, even in adulthood, in fatherless animals.
“It just shows that parents are leaving footprints on the brain of their kids,” says Dr. Braun, 54 years old.
The neuronal differences were observed in a part of the brain called the amygdala, which is related to emotional responses and fear, and the orbitofrontal cortex, or OFC, the brain’s decision-making center.
[...]The balance between these two brain parts is critical to normal emotional and cognitive functioning, according to Dr. Braun. If the OFC isn’t active, the amygdala “goes crazy, like a horse without a rider,” she says. In the case of the fatherless pups, there were fewer dendritic spines in the OFC, while the dendrite trees in the amygdala grew more and longer branches.
A preliminary analysis of the degus’ behavior showed that fatherless animals seemed to have a lack of impulse control, Dr. Braun says. And, when they played with siblings, they engaged in more play-fighting or aggressive behavior.
In a separate study in Dr. Braun’s lab conducted by post-doctoral researcher Joerg Bock, degu pups were removed from their caregivers for one hour a day. Just this small amount of stress leads the pups to exhibit more hyperactive behaviors and less focused attention, compared to those who aren’t separated, Dr. Braun says. They also exhibit changes in their brain.
The basic wiring between the brain regions in the degus is the same as in humans, and the nerve cells are identical in their function. “So on that level we can assume that what happens in the animal’s brain when it’s raised in an impoverished environment … should be very similar to what happens in our children’s brain,” Dr. Braun says.
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06/19/2011 • 12:00 PM 0
What is the meaning and purpose of Father’s Day?
Father’s Day is the day that children and wives are supposed to honor fathers by giving them respect for being providers, protectors and moral/spiritual leaders. One of the best ways to motivate this duty is by studying research to find out the difference that fathers make.
Some statistics on the importance of biological fathers from Fathers.com.
Excerpt:
For a summary, I’ll just list one fact from each of the six categories they listed.
Now take a look at this Wall Street Journal article that explains some of the ways that fathers have beneficial effects on children.
Excerpt:
Fathers matter, so women need to choose men who will be good fathers. And that means having an idea of what fathers do, and knowing how to evaluate a man to see if he can do what fathers do. There’s more to fathers than handsomeness and fun!
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